<?php
//http://weblog.thomassmart.com/2008/09/php-function-xml2array/
function xml_to_array($contents, $get_attributes=0) {
	/**
	 * xml2array() will convert the given XML text to an array in the XML structure.
	 * Link: http://www.bin-co.com/php/scripts/xml2array/
	 * Arguments : $contents - The XML text
	 * $get_attributes - 1 or 0. If this is 1 the function will get the attributes as well as the tag values - this results in a different array structure in the return value.
	 * Return: The parsed XML in an array form.
	 */
	if(!$contents) return array();

	if(!function_exists('xml_parser_create')) {
		//print "'xml_parser_create()' function not found!";
		return array();
	}
	//Get the XML parser of PHP - PHP must have this module for the parser to work
	$parser = xml_parser_create();
	xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
	xml_parser_set_option( $parser, XML_OPTION_SKIP_WHITE, 1 );
	xml_parse_into_struct( $parser, $contents, $xml_values );
	xml_parser_free( $parser );

	if(!$xml_values) return;//Hmm...

	//Initializations
	$xml_array = array();
	$parents = array();
	$opened_tags = array();
	$arr = array();

	$current = &$xml_array;

	//Go through the tags.
	foreach($xml_values as $data) {
		unset($attributes,$value);//Remove existing values, or there will be trouble

		//This command will extract these variables into the foreach scope
		// tag(string), type(string), level(int), attributes(array).
		extract($data);//We could use the array by itself, but this cooler.

		$result = '';
		if($get_attributes) {//The second argument of the function decides this.
			$result = array();
			if(isset($value)) $result['value'] = $value;

			//Set the attributes too.
			if(isset($attributes)) {
				foreach($attributes as $attr => $val) {
					if($get_attributes == 1) $result['attribute'][$attr] = $val; //Set all the attributes in a array called 'attr'
					/** :TODO: should we change the key name to '_attr'? Someone may use the tagname 'attr'. Same goes for 'value' too */
				}
			}
		} elseif(isset($value)) {
			$result = $value;
		}

		//See tag status and do the needed.
		if($type == "open") {//The starting of the tag "
			$parent[$level-1] = &$current;

			if(!is_array($current) or (!in_array($tag, array_keys($current)))) { //Insert New tag
				$current[$tag] = $result;
				$current = &$current[$tag];

			} else { //There was another element with the same tag name
				if(isset($current[$tag][0])) {
					array_push($current[$tag], $result);
				} else {
					$current[$tag] = array($current[$tag],$result);
				}
				$last = count($current[$tag]) - 1;
				$current = &$current[$tag][$last];
			}

		} elseif($type == "complete") { //Tags that ends in 1 line "
			//See if the key is already taken.
			if(!isset($current[$tag])) { //New Key
				$current[$tag] = $result;

			} else { //If taken, put all things inside a list(array)
				if((is_array($current[$tag]) and $get_attributes == 0)//If it is already an array…
						or (isset($current[$tag][0]) and is_array($current[$tag][0]) and $get_attributes == 1)) {
					array_push($current[$tag],$result); // …push the new element into that array.
				} else { //If it is not an array…
					$current[$tag] = array($current[$tag],$result); //…Make it an array using using the existing value and the new value
				}
			}

		} elseif($type == 'close') { //End of tag "
			$current = &$parent[$level-1];
		}
	}

	return($xml_array);
}
?>